Acute pain management in patients with severe obesity

Question 1

WHO Classification of Obesity

Answer 1

Pre-Obese 25-29.9
Obese Class 1 30-34.9
Obese Class 2 35-39.9
Obese Class 3 >40

Question 2

Opioid Sparing Analgesia in Obesity

Answer 2

• Regional and neuraxial anaesthesia
• Paracetamol
• NSAIDs
• Dexmedotomidine- use IBW 0.4-0.7mcg/kg/hr
• Lidocaine infusion- use LBW 1-2mg/kg/hr
• Ketamine infusion- use IBW 0.08-0.1mg/kg/hr
• Dexamethasone- use IBW single dose 0.1mg/kg